/wp-content/plugins/kboard/skin/ocean-franchise/list.php 파일을 수정해주세요.

<div class="kboard-search">
    <h3 class="kboard-header-title">주소 검색</h3>
    <input type="text" name="keyword" value="<?php echo $_GET['keyword']?>"><button type="submit" class="kboard-ocean-franchise-button-small"><?php echo __('Search', 'kboard')?></button>
</div>

위 코드를 아래처럼 수정해주세요.

<div class="kboard-search">
    <h3 class="kboard-header-title">지점명 검색</h3>
    <input type="hidden" name="target" value="member_display">
    <input type="text" name="keyword" value="<?php echo $_GET['keyword']?>"><button type="submit" class="kboard-ocean-franchise-button-small"><?php echo __('Search', 'kboard')?></button>
</div>